Grantham & Bourne is currently held by the Conservative Party, and awaits results.
Results for 2019 are notional estimates based on the new boundaries.
| Votes | Share % | Change %pts. | ||
|---|---|---|---|---|
| Vipul Bechar Labour | − | − | − | |
| Gareth Davies Conservative | − | − | − | |
| Anne Gayfer Green | − | − | − | |
| Alexander Mitchell Social Democratic Party | − | − | − | |
| Charmaine Morgan Lincolnshire Independents | − | − | − | |
| Mike Rudkin Reform UK | − | − | − | |
| Ian Selby Independent | − | − | − | |
| John Vincent Liberal Democrat | − | − | − |